Number of length 1+4 0..n arrays with every five consecutive terms having the maximum of some two terms equal to the minimum of the remaining three terms.

A254699

Number of length 1+4 0..n arrays with every five consecutive terms having the maximum of some two terms equal to the minimum of the remaining three terms.

Terms

    a(0) =22a(1) =133a(2) =464a(3) =1205a(4) =2606a(5) =4977a(6) =8688a(7) =14169a(8) =21910a(9) =32461a(10) =46432a(11) =64493a(12) =87374a(13) =115865a(14) =150816a(15) =193137a(16) =243798a(17) =303829a(18) =374320a(19) =456421a(20) =551342a(21) =660353a(22) =784784a(23) =926025a(24) =1085526a(25) =1264797a(26) =1465408a(27) =1688989a(28) =1937230a(29) =2211881

External references